Return-Path: Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1A5F2C000B for ; Sat, 12 Jun 2021 20:57:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id EEB2D40144 for ; Sat, 12 Jun 2021 20:57:34 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001] autolearn=unavailable autolearn_force=no Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id riG-z_Uda_vD for ; Sat, 12 Jun 2021 20:57:34 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-wr1-f43.google.com (mail-wr1-f43.google.com [209.85.221.43]) by smtp2.osuosl.org (Postfix) with ESMTPS id EAAE240003 for ; Sat, 12 Jun 2021 20:57:33 +0000 (UTC) Received: by mail-wr1-f43.google.com with SMTP id l2so9831771wrw.6 for ; Sat, 12 Jun 2021 13:57:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=90CdhZtYoDZfv8xHdcWSFEzc93vBLhaH8fgo7hFe8S8=; b=OVhmpPuaxYYOWPGUx3cVojeyFl5VHSfk/b3VYX8IlVRUq4Y661tbOob8lQ0rXI2LRp Yp5mHGespJqAbLbft+Wd91OMP0VCBmB9oLzhl0oHijkiYFwNoARZpwJBDc4JUA/Kbpy8 ilFY/B42wYyYSTQOr882jDWT4tDvFzoR5u6lit3+GGTWfeck3LlWdF1n9VIXbW9bKdbi KWznBnwBZlGqGsYtPKbGTRBWZ9KigdjwJiI8yjcmreOonNTjRikwulhctseEpTFwS3ez UTnjBzRxW+fivfpgfHYlXEa0OFwytOH5tIDSX7d98eY3YIgE+5lBqXasMlyVGKbnLijy ckbw== X-Gm-Message-State: AOAM530FwCr7dfnAVeZjVcvHrfvYlp6u/W6MkhnOXq0oFM/O9qYVlLzo 0nEsbOUiGm8Tuy3Z24nG9aTEwLch+johfhAL33eUlg== X-Google-Smtp-Source: ABdhPJzi95esNPnGgKRs0VQJiqi8zgtj3nQTS58FhzZSw1BsQ25e2YBmqgeIyC8lz2Hp17jr3R2E1R/ReMOE4Z5qfgg= X-Received: by 2002:a5d:4752:: with SMTP id o18mr10451157wrs.323.1623531452079; Sat, 12 Jun 2021 13:57:32 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Ryan Grant Date: Sat, 12 Jun 2021 20:56:55 +0000 Message-ID: To: Ryan Grant Content-Type: text/plain; charset="UTF-8" Cc: Bitcoin Protocol Discussion , lightning-dev@lists.linuxfoundation.org Subject: Re: [bitcoin-dev] BIP118 confusion / SIGHASH_NOINPUT is now SIGHASH_ANYPREVOUT (i think) X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jun 2021 20:57:36 -0000 Apologies, I found the discussion going on here: https://github.com/bitcoin/bips/pull/943 On Sat, Jun 12, 2021 at 7:52 PM Ryan Grant wrote: > > Hi, > > I have detected some definite confusion among people who are not aware > of the most recent updates to the bip118 draft. I don't know if > that's common among readers of these lists. > > Substantial edits to the bip118 draft were made through May 2019, > including changing its official name to SIGHASH_ANYPREVOUT. The > internal heading "Revisions" discusses these changes. > > https://github.com/ajtowns/bips/blob/c7c6a58b7a66a5dc5f4435319577d26a34082a79/bip-0118.mediawiki#Revisions > https://github.com/ajtowns/bips/compare/master...ajtowns:bip-anyprevout > https://github.com/ajtowns/bips/blob/c7c6a58b7a66a5dc5f4435319577d26a34082a79/bip-0118.mediawiki > > The version in bitcoin/bips was not modified since 2018, until it > diverged by collecting a minor fix two months ago. It still uses > SIGHASH_NOINPUT terminology. > > https://github.com/bitcoin/bips/blob/master/bip-0118.mediawiki > > AFAICT, with taproot activating, the preferred method to ease > lightning network client state requirements will now definitely be > SIGHASH_ANYPREVOUT. > > I am not aware of reasons for bip118's updated draft to sit on the > sidelines before consideration by a wider audience.